Elbers Chris Lanjouw Peter Mistiaen Johan A. Ozler Berk Re-interpreting sub-group inequality decompositions - Washington DC WB US 2005 - 41p. : ill. ; 25 cm. - Policy research working paper No. 3687 . Subjects--Topical Terms: Social groupsInequalityIncome Gov. Doc. Class. No.: UN WB PRWP-3687